Nepean Bay Weather Forecast

    • 15
    • 21

    Shower or two

    • 13
    • 22

    Partly cloudy

    • 14
    • 24

    Sunny

    • 13
    • 24

    Sunny

    • 13
    • 25

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 13
    • 26

    Mostly sunny

Today 16 Mar Kangaroo Island

Cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds southeasterly 15 to 20 km/h becoming light in the evening.

Investigator Strait Coastal Waters

Wind
Southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
Weather
Cloudy.
Weather Situation
A trough over eastern and northern SA will continue to move northeastwards clearing the State by Thursday. A ridge of high pressure persists to the south.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

March Temperature

Kingscote Airport (7km)

  • Lowest 9 March, 2026

    7.6 °C

  • Average March

    17.7 °C

  • Highest 10 March, 2026

    31.2 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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